package com.atguigu.eduService.controller;


import com.atguigu.commonutils.R;
import com.atguigu.eduService.entity.EduTeacher;
import com.atguigu.eduService.entity.vo.TeacherQuery;
import com.atguigu.eduService.service.EduTeacherService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author atguigu
 * @since 2021-04-20
 */
@RestController
@RequestMapping("/eduService/teacher")
//@CrossOrigin
public class EduTeacherController {
    @Resource
    private EduTeacherService teacherService;

    //查询讲师表所有数据
    @GetMapping("/findAll")
    public R findAllTeacher() {
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items", list);
    }

    @ApiOperation("逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeById(@ApiParam(name = "id", value = "讲师ID", required = true) @PathVariable String id) {
        boolean flag = teacherService.removeById(id);
        if (flag)
            return R.ok();
        else
            return R.error();
    }

    //分页查询
    @GetMapping("/pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current, @PathVariable long limit) {
        Page<EduTeacher> pageTeacher = new Page<>(current, limit);
        //调用方法实现分页，调用方法的时候，底层封装，把分页所有数据封装到page对象中
        teacherService.page(pageTeacher, null);
        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords();//数据list集合
        Map map = new HashMap();
        map.put("total", total);
        map.put("rows", records);
        return R.ok().data(map);
//        return R.ok().data("total",total).data("rows",records);
    }

    //组合条件查询
    @PostMapping("/pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current, @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery) {
        Page<EduTeacher> pageCondition = new Page<>(current, limit);
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if (!StringUtils.isEmpty(name))
            wrapper.like("name", name);
        if (!StringUtils.isEmpty(level))
            wrapper.eq("level", level);
        if (!StringUtils.isEmpty(begin))
            wrapper.ge("gmt_create", begin);
        if (!StringUtils.isEmpty(end))
            wrapper.le("gmt_create", end);
        teacherService.page(pageCondition, wrapper);
        long total = pageCondition.getTotal();
        List<EduTeacher> records = pageCondition.getRecords();
        return R.ok().data("total", total).data("rows", records);
    }


    @PostMapping("/addTeacher")
    public R addTeacher(@RequestBody EduTeacher teacher){
        boolean save = teacherService.save(teacher);
        if (save)
            return R.ok();
        else return R.error();
    }

    @GetMapping("/getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher teacher = teacherService.getById(id);
        return R.ok().data("teacher",teacher);
    }

    @PostMapping("/updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher teacher){
        boolean flag = teacherService.updateById(teacher);
        if (flag)
            return  R.ok();
        else return R.error();
    }
}

